Grevillea rosmarinifolia (Australia)

Grevillea rosmarinifolia A.Cunn., Geogr. Mem. N. S. Wales 328 1825. (syn: Grevillea latrobei Meisn.; Grevillea latrobei var. dasystilis Meisn.; Grevillea latrobei var. leiostylis Meisn.; Grevillea nutans Meisn.; Grevillea riparia Sieber ex Schult.; Hakea rosmarinifolia (A.Cunn.) Christenh. & Byng);
Australia (montane SE-New South Wales, Victoria: Gippsland SW to Melbourne area, South Australia (I)) as per Catalogue of Life

flora in Australia : I am in Australia-near Sydney for some time.
Photo of a shrub Grevillea rosmarinifolia of Proteaceae family.
Wasps are found hovering on the flowers..